531352051213 has 16 divisors (see below), whose sum is σ = 552151240704. Its totient is φ = 510923427840.

The previous prime is 531352051163. The next prime is 531352051259. The reversal of 531352051213 is 312150253135.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531352051213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531352051273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987648 + ... + 1427638.

It is an arithmetic number, because the mean of its divisors is an integer number (34509452544).

Almost surely, 2^531352051213 is an apocalyptic number.

It is an amenable number.

531352051213 is a deficient number, since it is larger than the sum of its proper divisors (20799189491).

531352051213 is a wasteful number, since it uses less digits than its factorization.

531352051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440412.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 531352051213 in words is "five hundred thirty-one billion, three hundred fifty-two million, fifty-one thousand, two hundred thirteen".